255972937635 has 12 divisors (see below), whose sum is σ = 443686425312. Its totient is φ = 136518900048.

The previous prime is 255972937613. The next prime is 255972937691. The reversal of 255972937635 is 536739279552.

It is a happy number.

255972937635 is a `hidden beast` number, since 2 + 5 + 597 + 2 + 9 + 3 + 7 + 6 + 35 = 666.

It is not a de Polignac number, because 255972937635 - 2⁸ = 255972937379 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2844143707 + ... + 2844143796.

It is an arithmetic number, because the mean of its divisors is an integer number (36973868776).

Almost surely, 2^255972937635 is an apocalyptic number.

255972937635 is a deficient number, since it is larger than the sum of its proper divisors (187713487677).

255972937635 is a wasteful number, since it uses less digits than its factorization.

255972937635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688287514 (or 5688287511 counting only the distinct ones).

The product of its digits is 107163000, while the sum is 63.

The spelling of 255972937635 in words is "two hundred fifty-five billion, nine hundred seventy-two million, nine hundred thirty-seven thousand, six hundred thirty-five".